1. (

• friction ,
• rubbing

) the resistance encountered when one body is moved in contact with another ;

2. (

• rubbing

) representation consisting of a copy (as of an engraving) made by laying paper over something and rubbing it with charcoal ;

3. (

• friction ,
• detrition ,
• rubbing

) effort expended in moving one object over another with pressure ;

1. (

• rub

) move over something with pressure; "rub my hands"; "rub oil into her skin" ;

2. (

• rub ,
• fray ,
• fret ,
• chafe ,
• scratch ,

) cause friction; "my sweater scratches" ;

3. (

• rub ,
• scratch ,
• itch ,

) scrape or rub as if to relieve itching; "Don't scratch your insect bites!" ;